A shell-and-tube heat exchanger can have several thousand tube ends. Each one forms the boundary between shell-side and tube-side fluid, and tube-to-tubesheet joints are a recurring location for leakage and mechanical problems in service.The choice is usually framed as expanded versus welded. That framing is…
CategoriesHeat Exchangers, Industry Standards & Compliance, Materials & Metallurgy
A gasket is specified from a chemical compatibility chart, the material is correct for the fluid, and the joint leaks anyway. On the next turnaround the specification moves to a more expensive material that also leaks. The chart was never wrong. It answered a question about chemistry while the joint was failing on…
CategoriesPressure Vessels, Heat Exchangers, Materials & Metallurgy
A corrosive process may require titanium, a nickel alloy or a high-molybdenum stainless steel at the wetted surface. That requirement applies to the surface the process touches. It does not automatically apply to the full thickness of the pressure boundary behind it. Clad construction separates those two jobs. A…
CategoriesIndustry Insights, Industry Standards & Compliance, Materials & Metallurgy, Pressure Vessels
Pressure leaching dissolves or transforms target minerals inside a sealed vessel held above the normal boiling point of the solution. Raising temperature accelerates reactions that run too slowly at atmospheric conditions. Raising pressure keeps the aqueous phase liquid and forces reactant gas into solution. The vessel…
CategoriesIndustry Insights, Materials & Metallurgy, Pressure Vessels
A single high-density AI training rack can draw more than 100 kW. Uptime Institute puts the NVIDIA GB200 NVL72 at roughly 132 kW in a 19-inch frame — about 100 kW to cold plates, with more than 25 kW still rejected to air. The challenge does not end at the cold plate. That heat still…
CategoriesHeat Exchangers, Industry Insights
An inquiry package arrives for a shell-and-tube exchanger. The data sheet is unremarkable: 316L, TEMA R, ASME Section VIII, Division 1 — a duty a shop has run a hundred times. Behind it sits a supplier quality requirements attachment running dozens of pages. It invokes a quality assurance standard, hold points,…
CategoriesIndustry Standards & Compliance, Manufacturing Capabilities
A tube bundle fails in eighteen months, and the metallurgical report says the alloy was never wrong on paper. Type 316L was rated for the acid, temperature sat inside the published range, and the corrosion allowance was generous. What the specification missed was a trace of ferric ion carried over from an upstream…
CategoriesHeat Exchangers, Materials & Metallurgy
Learn how the mandatory 2026 ASME BPVC updates shift accountability to manufacturers and compare international standards like EN 13445 and PD 5500.
CategoriesIndustry Standards & Compliance, Pressure Vessels
Learn the quantitative indicators (U-value drift, Delta-P trends, tube failure rates) that signal when a shell-and-tube heat exchanger needs repair, retubing, or replacement.
CategoriesHeat Exchangers, Industry Insights
Falling film evaporators serve food, water treatment, and chemical industries. Learn how the same physics drives different engineering choices for each application.
CategoriesHeat Exchangers, Industry Insights
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